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1st September 2003
| #1 |
| Gear interested Join Date: Aug 2003
Posts: 3
Thread Starter | Polarity switch I have a roland keyboard with a sustain pedal that works backwards. Can anyone direct me to a site that has a schematic to install a polarity switch? Thanks, Jun |
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1st September 2003
| #2 |
| Gear nut  Join Date: Jun 2002 Location: Melbourne, Aust.
Posts: 136
| It is possible that the switch in this pedal has options for NC and NO. Normaly Closed , Normaly Open. Perhaps one of the wires can be moved to the other end of the switch. I'm guessing so check the facts before doing anything. |
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1st September 2003
| #3 |
| Lives for gear  Join Date: Jun 2002 Location: Chicago
Posts: 856
| sounds like an old joke we used to play on our keyboardist...just before a show we'd switch the polarity internally in his keyboard's settings. ha, ha, ha. check your keyboard's settings before switching any wires.  |
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1st September 2003
| #4 |
| Lives for gear  Join Date: Jun 2002 Location: Chicago, IL
Posts: 1,384
| what roland keyboard? As mike pointed out, most all keyboards igve you the option to change the polaritygenerally this is under "system" or "global" menus
__________________ Steve Smith - Unorignal, yet commonplace. |
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1st September 2003
| #5 |
| Gear interested Join Date: Aug 2003
Posts: 3
Thread Starter | Thanks for the replies. I'm usisng a Roland xp-10. Unfortunately there is no mention of a polarity switch internally, in the manual. Of course I'm not sure what language this manual was written in. I know most units ( even on my old Alesis D4) determine which polarity on start up or have the capabilities to change polarity. Roland is notorious for making things difficult to interface with non-Roland products. I remember buying a thirty dollar 2 prong power cable for my D-50 because Roland was the last company to implement the 3 prong universal cables I'm using an ensoniq sustain pedal (momentary switch) that needs a polarity switch, which was given to me by a Roland RD-100 (no internal polarity switch either) user. I've already reversed the two cables with no luck. I'm just too cheap to go buy the proper pedal if I don't have to. Jun |
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1st September 2003
| #6 | |
| Gear nut Join Date: Jun 2002 Location: Melbourne, Aust.
Posts: 136
| Quote:
The switch I am thinking of will have three contacts. 1/ common contact 2/ NC - normally closed 3/ NO - normally open If the switch only have 2 contacts then it might be possible to replace just the switch into the same hole. | |
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